we have provided names to the fbi and we have provided information to the fbi. they have also information, i believe they have forwarded this information to the mexican authorities. so we're trying to again gather as much information as we can. trying to have some closure for the hartley family and also of course maybe mexico can bring these individuals to justice. jon: i know not long after david's murder there was a mexican police commander who was helping with the investigation. a couple of brothers had been named as possible suspects back then. a couple of mexican brothers also involved in the drug business. ail of sudden that police commander's head, severed, found in a suitcase. that seemed to me to say, oh, police are onto something there. but you say this new suspect, the so-called, squirrel, salvadore alfonso escobido is someone you never heard of before? >> that's correct. the state commander of the police in mexico was beheaded. he was in the necessarily killed because he was sising in the investigation. in mexico murder cases fall under the federal i